Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6997617 | Roller bearing | Yoshiro Ide, Masatake Ichimaru, Yuko Kamamura | 2006-02-14 |
| 6851864 | Rolling bearing | Hisashi Kawamura, Mineo Kameko | 2005-02-08 |
| 6481898 | Ball bearing | Kenji Yakura, Hirotoshi Aramaki, Akio Fujii, Sumio Sugita, Dai Kinno +2 more | 2002-11-19 |